water inlet pipe which runs horizontally underground has a diameter of 8.00 cm. It is then connected to a smaller pipe with a diameter of 5.00 cm. (a) If the flow speed of water in the inlet pipe is 2.0 m/s then what is the flow speed in the smaller pipe? (b) Using the result in (a), if the pressure in the smaller pipe is 4.00 × 104 Pa, what is the pressure in the inlet pipe?

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